文档介绍：Radiotherapy and Oncology 92 (2009) 111–117
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Radiotherapy and Oncology
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Head and neck IMRT
Volumetric modulated arc radiotherapy for carcinomas of the oro-pharynx,
hypo-pharynx and larynx: A treatment parison with fixed field IMRT
Eugenio ti a, Alessandro Clivio a, ia Nicolini a, Antonella Fogliata a, Sarbani Ghosh-Laskar b,
Jai Prakash Agarwal b, Ritu Raj Upreti b, Ashwini Budrukkar b, Vedang Murthy b,
Deepak Dattatray Deshpande b, Shyam Kishore Shrivastava b, Ketayun Ardeshir Dinshaw b, Luca Cozzi a,*
a Oncology Institute of Southern Switzerland, Radiation Oncology Department, Bellinzona, Switzerland
b Departments of Radiation Oncology & Medical Physics, Tata Memorial Hospital, Mumbai, India
article info abstract
Article history: Purpose: A planning study was performed to evaluate the performance of volumetric modulated arc
Received 2 September 2008 radiotherapy on head and neck cancer patients. Conventional fixed field IMRT was used as a benchmark.
Received in revised form 23 December 2008 Methods and materials: CT datasets of 29 patients with squamous cell carcinoma of the oro-pharynx,
Accepted 26 December 2008
hypo-pharynx and larynx were included. Plans for fixed beam IMRT, single (RA1) and double (RA2) mod-
Available online 20 January 2009
ulated arcs with the RapidArc technique were optimised.